| BEVEL ANGLE IN DEG | 30.000 NOMINAL |
| BEVEL DEPTH | 2.360 MILLIMETERS NOMINAL |
| FSC APPLICATION DATA | TELESCOPE,PANORAMIC T149E1 |
| LENGTH | 50.670 MILLIMETERS NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, TYPE 523-586, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| MATERIAL | GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED |
| POLISHED PERIPHERY | NOT PROVIDED |
| POLISHED SURFACE | BOTH |
| REFLECTION REDUCING SURFACE | BOTH |
| REFRACTION INDEX | 1.5230 NOMINAL |
| SPECIAL FEATURES | CORNERS ROUNDED W/0.744 IN. RADIUS,ASTIGMATISM NOT TO EXCEED 2.5 MILLIDIOPTERS,SPERICAL POWER NOT TO EXCEED 6.5 MILLIDIOPTERS |
| WIDTH | 29.710 MILLIMETERS NOMINAL |
| THICKNESS | 5.800 MILLIMETERS NOMINAL |